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Diffstat (limited to 'openssl-1.1.0h/crypto/evp/e_rc4.c')
-rw-r--r--openssl-1.1.0h/crypto/evp/e_rc4.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/evp/e_rc4.c b/openssl-1.1.0h/crypto/evp/e_rc4.c
new file mode 100644
index 0000000..ea95dea
--- /dev/null
+++ b/openssl-1.1.0h/crypto/evp/e_rc4.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+
+#ifndef OPENSSL_NO_RC4
+
+# include <openssl/evp.h>
+# include <openssl/objects.h>
+# include <openssl/rc4.h>
+
+# include "internal/evp_int.h"
+
+typedef struct {
+ RC4_KEY ks; /* working key */
+} EVP_RC4_KEY;
+
+# define data(ctx) ((EVP_RC4_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))
+
+static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl);
+static const EVP_CIPHER r4_cipher = {
+ NID_rc4,
+ 1, EVP_RC4_KEY_SIZE, 0,
+ EVP_CIPH_VARIABLE_LENGTH,
+ rc4_init_key,
+ rc4_cipher,
+ NULL,
+ sizeof(EVP_RC4_KEY),
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+static const EVP_CIPHER r4_40_cipher = {
+ NID_rc4_40,
+ 1, 5 /* 40 bit */ , 0,
+ EVP_CIPH_VARIABLE_LENGTH,
+ rc4_init_key,
+ rc4_cipher,
+ NULL,
+ sizeof(EVP_RC4_KEY),
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+
+const EVP_CIPHER *EVP_rc4(void)
+{
+ return (&r4_cipher);
+}
+
+const EVP_CIPHER *EVP_rc4_40(void)
+{
+ return (&r4_40_cipher);
+}
+
+static int rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ RC4_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key);
+ return 1;
+}
+
+static int rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ RC4(&data(ctx)->ks, inl, in, out);
+ return 1;
+}
+#endif